ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,847, issued on Aug. 19, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).
"Molding device and metal pipe" was invented by Masayuki Saika (Niihama, Japan) and Norieda Ueno (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A forming device forms a metal pipe with a flange and includes a forming tool that forms the metal pipe, in which the forming tool includes a first die and a second die facing each other in a first direction in a cross-sectional view, and a third die disposed on at least one side of a metal pipe material in a second direction intersecting the first direction, and at least one of the first die and the second die is divided ...